OK, look at what programs and extra drivers are loaded, if any, in Startup.
Also look and see are there any services that shouldn't be running.
The registry has several startup sections.
I used to use this to find stuff that was breaking windows, not just malware. I only got one false positive, which turned out to be a Dell Keyboard driver that could be replaced.
https://www.silentrunners.org/
You may need to download renaming it as text and then rename back to vbs to run. Better than most AV.
Good news it's not a HW fault, so totally solvable.